We see CNN over here for ages too but they really clipped during the trumps presidency. Probably so much attention by that clown made them think they shall be the messiah who bring him down now matter what and how they report. They really weren't that bad before imo.
I appreciate BBC's journalistic standards, but I think they are the exception rather than the norm. I think Poland's case is more typical:
https://www.npr.org/2021/01/04/951063118/polands-government-...
Whether privately or publicly owned, the mitigation of media bias requires constant effort, education, and integrity.